docs(readme): tidy code blocks

Author: remarkablemark

README.md

@@ -161,7 +161,9 @@ parse('<br>', {
 });
 ```
 
-Console output:
+<details>
+<summary>Console output</summary>
+<p>
 
 ```js
 Element {
@@ -177,6 +179,9 @@ Element {
 }
 ```
 
+</p>
+</details>
+
 The element is replaced if a **valid** React element is returned:
 
 ```jsx
@@ -245,7 +250,9 @@ const options = {
 parse(html, options);
 ```
 
-HTML output:
+<details>
+<summary>HTML output</summary>
+<p>
 
 <!-- prettier-ignore-start -->
 
@@ -259,6 +266,9 @@ HTML output:
 
 <!-- prettier-ignore-end -->
 
+</p>
+</details>
+
 #### replace element attributes
 
 Convert DOM attributes to React props with `attributesToProps`:
@@ -282,12 +292,17 @@ const options = {
 parse(html, options);
 ```
 
-HTML output:
+<details>
+<summary>HTML output</summary>
+<p>
 
 ```html
 <div class="prettify" style="background:#fff;text-align:center"></div>
 ```
 
+</p>
+</details>
+
 #### replace and remove element
 
 [Exclude](https://replit.com/@remarkablemark/html-react-parser-56) an element from rendering by replacing it with `<React.Fragment>`:
@@ -298,12 +313,17 @@ parse('<p><br id="remove"></p>', {
 });
 ```
 
-HTML output:
+<details>
+<summary>HTML output</summary>
+<p>
 
 ```html
 <p></p>
 ```
 
+</p>
+</details>
+
 ### transform
 
 The `transform` option allows you to transform each element individually after it's parsed.
@@ -522,7 +542,7 @@ If you see the TypeScript error:
 node_modules/htmlparser2/lib/index.d.ts:2:23 - error TS1005: ',' expected.
 
 2 export { Parser, type ParserOptions };
-                         ~~~~~~~~~~~~~
+                        ~~~~~~~~~~~~~
 ```
 
 Then upgrade to the latest version of [typescript](https://www.npmjs.com/package/typescript). See [#748](https://github.com/remarkablemark/html-react-parser/issues/748).